Step 1: Find the number of units ordered.
The stock rule given is units ordered = units sold + ending inventory - beginning inventory. This is just common sense: whatever units left the shelf (sold) or are still sitting there at the end (ending inventory) must have come from somewhere, either they were already there at the start (beginning inventory) or they arrived through a fresh order.
Here, units sold = 3150, ending inventory = 2880, beginning inventory = 2520.
Units ordered = 3150 + 2880 - 2520 = 3510.
Step 2: Find the selling price per Television unit.
Add up the Television sales value (in Rupees thousand) from every area and every month in the table: Bistupur gives 900 + 1050 + 1200 = 3150, Sakchi gives 1800 + 2100 + 2400 = 6300, and Kadma gives 6300 + 7350 + 8400 = 22050. Adding these three areas: 3150 + 6300 + 22050 = 31500.
The total number of Television units sold over the same three months is 3150 (given).
So selling price per unit = total sales value / total units sold = 31500 / 3150 = 10 (Rupees thousand per unit).
Step 3: Convert selling price to cost price.
We are told profit is 25% of cost price, so selling price = cost price + 25% of cost price = 1.25 times cost price.
Cost price per unit = selling price / 1.25 = 10 / 1.25 = 8 (Rupees thousand per unit).
Step 4: Find the value of the order placed.
An order is placed and paid for at cost price, not selling price, because at this stage the retailer is the one buying the stock.
Value of order placed = units ordered x cost price per unit = 3510 x 8 = 28080 (Rupees thousand).
Why the other options are wrong:
2808 is what you get if you drop a zero or forget to multiply the units ordered by the cost price at all. 26325 and 22320 come from valuing the order at the selling price of 10, or at some other wrongly adjusted price, instead of the correct cost price of 8.
Final Answer:
The value of the order placed is Rupees 28080 thousand.
\[ \boxed{28080} \]